Add NAME_SOURCE_CARRIER for subscription display name.

Test: manual
Bug: 131803649
Merged-in: Ieb7d691fb88866162b287f87d5a2b2d94adac7c3
Change-Id: Ieb7d691fb88866162b287f87d5a2b2d94adac7c3
(cherry picked from commit 24e102e0e0b450df1637ca6f89c13ef5cdd38d3e)
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 43acfdd..0b1a8e0 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -396,6 +396,12 @@
     public static final int NAME_SOURCE_USER_INPUT = 2;
 
     /**
+     * The name_source is carrier (carrier app, carrier config, etc.)
+     * @hide
+     */
+    public static final int NAME_SOURCE_CARRIER = 3;
+
+    /**
      * TelephonyProvider column name for the color of a SIM.
      * <P>Type: INTEGER (int)</P>
      */